. >>> plus, after a slow start to the rollout of obama care, we are learning about a new announcement about the delay. >>> a live look at the kennedy center right now. there are jfk tributes across the region tonight. still ahead, more team coverage as we look back at how the world changed 50 years ago today. >>> right now, people are gathering at the d.c. church where president kennedy's funeral took place. a special ceremony is about to begin there. >> it's one of several tributes marking the 50th anniversary of the young president's death. derrick ward joins us live. >> reporter: good evening. as you see behind me, st. matthew cathedral is behind me. we remember the famous picture of the president's son 3 years old at the time, saluting the coffin. there's going to bebs some formal, some not to formal. all with stark memories and recollections of that fateful day a half century ago. on that fateful day in dallas, 50 years ago, the reaction was immediate and sorrowful. here in washington and elsewhere was not immediate but as heart felt. the news came during a school day. >> they an